339714 (2005 ST1)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3709841354 ± 1.99e-08
Semi-major axis (a)1.4512411703 AU ± 5.32e-10
Inclination (i)20.22850060° ± 9.76e-06
Long. of Asc. Node (Ω)7.54321333° ± 3.39e-06
Arg. of Perihelion (ω)80.69958538° ± 8.58e-06
Mean Anomaly (M)144.67013051° ± 4.45e-06
Mean Motion (n)0.5637712055°/day ± 3.10e-10
Perihelion dist (q)0.91285372 AU ± 2.89e-08
Aphelion dist (Q)1.98962862 AU ± 2.89e-08
Orbital Period1.74827354 yr ± 9.61e-10
Physical Parameters
H (abs. magnitude)20.35
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.446″
Uncertainty0
Orbit TypeApollo
MOID0.127096 AU
Observations Used480
Oppositions12
Arc Total1991-2020
First Observation Used1991-10-02
Last Observation Used2020-04-24
Observations (562)
Date Type RA Dec Mag Band Observatory
2005-09-25 07:14:34 C 00 43 27.63 -05 32 43.5 c 673
2005-09-25 07:19:25 C 00 43 26.54 -05 32 31.3 r 703
2005-09-25 07:27:52 C 00 43 25.10 -05 32 12.1 r 703
2005-09-25 18:34:43 C 00 41 40.40 -05 05 53.2 c A50
2005-09-25 18:35:49 C 00 41 40.15 -05 05 49.8 c A50
2005-09-25 18:36:57 C 00 41 40.03 -05 05 47.0 c A50
2005-09-25 18:38:02 C 00 41 39.80 -05 05 44.9 c A50
2005-09-25 18:39:09 C 00 41 39.62 -05 05 41.7 c A50
2005-09-25 22:19:10 C 00 41 03.41 -04 56 48.9 o J77
2005-09-25 22:20:09 C 00 41 03.16 -04 56 46.1 c J69
2005-09-25 22:26:30 C 00 41 02.08 -04 56 30.6 c J69
2005-09-25 22:30:19 C 00 41 01.53 -04 56 22.3 o J77
2005-09-25 22:32:52 C 00 41 01.04 -04 56 14.3 c J69
2005-09-25 22:38:39 C 00 41 00.10 -04 56 01.4 o J77
2005-09-25 23:54:45 C 00 40 47.11 -04 52 55.4 o J77
2005-09-26 00:06:40 C 00 40 45.06 -04 52 26.4 o J77
2005-09-26 00:18:35 C 00 40 43.02 -04 51 57.0 o J77
2005-09-26 00:37:28 C 00 40 39.78 -04 51 10.6 o J77
2005-09-26 00:53:45 C 00 40 36.98 -04 50 30.6 o J77
2005-09-26 01:12:44 C 00 40 33.71 -04 49 43.9 o J77
2005-09-27 03:48:31 C 00 36 02.66 -03 40 53.8 c 844
2005-09-27 04:00:38 C 00 36 00.42 -03 40 22.3 c 844
2005-09-27 05:21:12 C 00 35 45.40 -03 36 48.4 c 844
2005-09-27 05:35:46 C 00 35 42.68 -03 36 08.8 c 844
2005-09-27 05:54:49 C 00 35 39.19 -03 35 19.3 c 844
2005-09-27 16:43:34 C 00 33 42.61 -03 06 12.0 r 413
2005-09-27 16:49:33 C 00 33 41.47 -03 05 55.4 r 413
2005-09-27 23:41:06 C 00 32 27.88 -02 47 55.1 o J68
2005-09-28 00:39:22 C 00 32 16.54 -02 45 11.1 o J68
2005-09-28 01:18:30 C 00 32 08.93 -02 43 22.3 o J77
2005-09-28 01:20:23 C 00 32 08.68 -02 43 20.7 o J68
2005-09-28 01:24:55 C 00 32 07.67 -02 43 04.1 o J77
2005-09-28 01:28:16 C 00 32 07.04 -02 42 54.9 o J77
2005-09-28 01:32:36 C 00 32 06.22 -02 42 42.7 o J77
2005-09-28 01:39:39 C 00 32 04.88 -02 42 22.8 o J77
2005-09-28 01:45:04 C 00 32 03.81 -02 42 07.4 o J77
2005-09-29 06:04:57 C 00 26 38.06 -01 19 33.2 o 644
2005-09-29 06:16:43 C 00 26 33.05 -01 18 06.4 c 844
2005-09-29 06:20:31 C 00 26 32.28 -01 17 54.0 c 844
2005-09-29 06:24:18 C 00 26 31.51 -01 17 42.8 c 844
2005-09-29 06:28:04 C 00 26 30.68 -01 17 31.5 c 844
2005-09-29 06:31:51 C 00 26 29.91 -01 17 20.6 c 844
2005-09-29 06:35:38 C 00 26 29.14 -01 17 08.7 c 844
2005-09-29 06:37:48 C 00 26 31.16 -01 17 54.0 o 644
2005-09-29 06:44:43 C 00 26 29.46 -01 17 34.4 o 699
2005-09-29 06:46:56 C 00 26 26.76 -01 16 34.3 c 844
2005-09-29 06:50:44 C 00 26 25.97 -01 16 23.8 c 844
2005-09-29 07:08:45 C 00 26 24.63 -01 16 20.4 o 644
2005-09-29 07:17:37 C 00 26 22.54 -01 15 55.1 o 699
2005-09-29 07:50:31 C 00 26 15.61 -01 14 14.9 o 699